Final Quiz In Daunt Astronomy

Front 1

Which planet formed in a reducing environment?

Back 1

all Jovian planets

Front 2

In what decade did the first probe do a flyby of a Jovian planet?

Back 2

1970s

Front 3

Which spacecraft in 1977 began a 12 year mission to boldly go where no robotic spacecraft had gone before - that is, to do a flyby of all four Jovian planets?

Back 3

Voyager II

Front 4

Which spacecraft performed the most extensive exploration of Jupiter and its four large moons, beginning in 1995?

Back 4

Galileo

Front 5

Which Jovian planet has an interior structure that is most like that of Uranus?

Back 5

Neptune

Front 6

Which Jovian planet has an orbital period and semimajor axis that deviate greatly from Kepler's third law of planetary motion?

Back 6

none

Front 7

Which two planets have interior zones of metallic hydrogen?

Back 7

Jupiter & Saturn

Front 8

Which two Jovian planets have the shortest rotational periods (about 10 hours)?

Back 8

Jupiter & Saturn

Front 9

Most planets have a rotational axis that is nearly perpendicular to their orbital plane. Which Jovian planet has an axis of rotation nearly in its orbital plane?

Back 9

Uranus

Front 10

In planetary astronomy (or planetary geology) what is meant by the term "rock"?

Back 10

Any material made of iron, silicon, and oxygen.

Front 11

Which Jovian planet has a density lower than that of water?

Back 11

Saturn

Front 12

Which Jovian planet does not have much of an internal heat source, and thus has the least-turbulent atmosphere?

Back 12

Uranus

Front 13

What is believed to be the source of Saturn's "extra" internal heating?

Back 13

Saturn has cooled enough inside that helium is now migrating toward its center.

Front 14

Jupiter's moon _____ is highly volcanic.

Back 14

Io

Front 15

Jupiter's largest satellite, _____, shows many craters alongside grooved terrain.

Back 15

Ganymede

Front 16

Jupiter's moon _____ has an ocean below its surface crisscrossed with dark markings.

Back 16

Europa

Front 17

_____ is covered with craters, including a bulls-eye.

Back 17

Callisto

Front 18

Saturn's rings have a well-known gap in them, called ____.

Back 18

Cassini’s division

Front 19

The largest of Saturn's satellites, _____, is one of the few moons known to have its own

Back 19

Titan

Front 20

Saturn's density is _____ [greater/less] than that of water.

Back 20

less

Front 21

Uranus' rotation is different than all the other planets in that its axis of rotation is _____ to its direction of orbit around the Sun.

Back 21

roughly parallel

Front 22

During the occulation of a star, Uranus was discovered to have _____.

Back 22

rings

Front 23

Voyager 2 discovered a great storm in Neptune's atmosphere called the _____.

Back 23

Great Dark Spot

Front 24

Neptune's moon _____ has a tremendously varied surface that includes cantaloupe terrain.

Back 24

Triton

Front 25

Composed of same proportion of H and He as the Sun

Back 25

Jupiter

Front 26

Different latitudes rotate at different speeds caused by movement of interior structure

Back 26

differential rotation

Front 27

Jupiter's internal heat source is from ________.

Back 27

helium infall

Front 28

on Jupiter, ________ [dark ammonium hydrosulfide] are warmer and sinking
Zones [white ammonia clouds]
are cooler and rising

Back 28

belts

Front 29

Zones [white ammonia clouds] are cooler and rising

Back 29

zones

Front 30

3 parts of Jupiter's ring system

Back 30

gossamer ring, main ring, halo

Front 31

first spacecraft to leave the solar system

Back 31

Pioneer 10 & 11

Front 32

planet w/Cassini division && which rings does it fall between

Back 32

Saturn; between rings A && B

Front 33

huge crater and giant canyon opposite side from crater

Back 33

Mimas

Front 34

recent activity & internal heating

Back 34

Enceladus

Front 35

large crater & giant canyon

Back 35

Tethys

Front 36

craters, rays, wisps

Back 36

Dione

Front 37

craters & wisps; no large craters

Back 37

Rhea

Front 38

hamburger shaped; same size as Mimas

Back 38

Hyperion

Front 39

one dark side other side bright

Back 39

Iapetus

Front 40

captured asteroid; retrograde revolution

Back 40

Phoebe

Front 41

planet sized; atmosphere of nitrogen; methane icebergs and ethane oceans

Back 41

Titan

Front 42

plane with retrograde motion other than Venus

Back 42

Uranus

Front 43

high level of photochemical haze

Back 43

Uranus

Front 44

no internal heat source

Back 44

Uranus

Front 45

planet where magnetosphere is not centered through planet

Back 45

Uranus

Front 46

five moons of Uranus

Back 46

MAUTO: Miranda, Ariel, Umbriel, Titania, Oberon

Front 47

youngest surface/tectonic activity/few large craters, global fractures/fault valleys

Back 47

Ariel

Front 48

darker, uniform surface covered with craters, unexplained bright ring feature

Back 48

Umbriel

Front 49

few large craters, many young scarps, some fresh material, trenches

Back 49

Titania

Front 50

many large craters (e.g., Hamlet), high mountain, scarps, dark patches in crater floors

Back 50

Oberon

Front 51

part of surface has undulating cratered plains, part with regions of scarps that show as dark bands, global faults; chevron feature; racetrack features.

Back 51

Miranda

Front 52

planet with 9 rings

Back 52

Uranus

Front 53

number of rings on Uranus

Back 53

9

Front 54

planet co-founded ((and by who))

Back 54

Neptune by Galle && d'Arrest

Front 55

cause of Neptune's magnetosphere

Back 55

type of ice or water that can conduct electricity

Front 56

two main moons of Neptune

Back 56

Triton and Nereid

Front 57

prograde rotating moon of Neptune

Back 57

Nereid

Front 58

retrograde rotating moon of Neptune

Back 58

Triton

Front 59

moon that looks like cantaloupe

Back 59

Triton (Neptune)

Front 60

moon w/atmosphere

Back 60

Triton has nitrogen atmosphere

Front 61

number of rings on Neptune

Back 61

5

Front 62

planet with 5 rings

Back 62

Neptune